body{
    margin: 0;
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
    /* background-image: linear-gradient(25deg, #565d61, #83888a, #b3b5b6, #e5e5e3); */
    background-color: #625499;

}
.case{
    display: inline-grid;
    grid-template-columns: repeat(36,1fr);
    grid-template-rows: repeat(5,1fr);
    background-color: #463973;
    border-color: #2e2640;
    border-width: 8px 10px 15px 10px;
    border-radius: 5px;
    border-style: solid;
    width: 66em;
    height: 18em;
}
.key{
    color: #bbadd9;
    border-radius: 3px;
    border-style: solid;
    border-width: 3px 5px 8px 5px;
    font-family: sans-serif;
    font-size: 9px;
    font-weight: 800;
    margin: 2px;
    padding: 3px;
    text-align: center;
    text-transform: uppercase;
    border-color: #382e59 #2e2640;
    grid-column-end: span 2;
    transition: all 50ms ease-out;
    will-change: box-shadow, color, text-shadow;

}

.active {
    transform: perspective(1200px) translateZ(-90px);
}
.none{
    /* grid-column-end: span 0; */
    visibility: hidden;

}
.x{
    grid-column-end: span 2.5;

}
.xl {
    grid-column-end: span 3;

}
.xxl{
    grid-column-end: span 4;
}
.xxxl{
    grid-column-end: span 5;
}
.vl{
    grid-column-end: span 14;
}